Question: who was the administrative body of the of the Osaka Prefecture in July of 1987
Paraphrase: Osaka's administrative body was what in July 1987?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q122723 p:P190 ?s . ?s ps:P190 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1987')) }